\begin{tikzpicture}
	\tkzDefPoints{0/0/A, 3/0/B, 2/0/E, 5/0/F,  -3/0/C, -1/0/D}
	\tkzDrawSegments[xianduan={below=0pt}](C,D  A,E  E,B  B,F)
	\tkzDrawLine[add=0 and 0.2](A,F)
	\tkzLabelPoints[above=0.3em](A,B,C,D,E,F)
\end{tikzpicture}

